{"product_id":"allen-bradley-1747-l531-slc-500-plc-processor-unit","title":"Allen-Bradley 1747-L531 SLC 500 PLC Processor Unit","description":"\u003cdiv\u003e\u003cp\u003eAllen-Bradley 1747-L531 is a SLC 5\/03 modular CPU for the SLC 500 family, designed to execute ladder logic in compact control panels. It provides 8K memory for program and data storage and supports DH-485 and RS-232 serial communications, enabling programming from RSLogix 500 and serial device networking. As a modular CPU, the 1747-L531 plugs into a 1747 backplane chassis and works with standard SLC 500 I\/O modules to form a small, distributed control system. The processor is intended for mid-range applications where a simple, cost-efficient PLC is appropriate, such as machine sub-systems, conveyors, and basic automation tasks. This model is part of the legacy SLC 500 lineup but remains a common choice for retrofits or legacy installations that require a Rockwell Automation‑compatible processor with serial communication options.\u003c\/p\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51657303228718,"sku":null,"price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_77c71263-40ec-4a70-8582-2ab231e60f77.jpg?v=1769467707","url":"https:\/\/plgautomation.com\/products\/allen-bradley-1747-l531-slc-500-plc-processor-unit","provider":"PLG Automation ","version":"1.0","type":"link"}